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Acronym for 'Fuck It & Sleep In'

You know, the days when you wake up feeling overwhelmed: You have a headache. You've hardly slept because the neighbors were fighting/having sex/getting raided by the cops, you awoke early to the sound of barking dogs and vomiting drunks walking home from the club, You forgot to change your alarm clock for daylight savings and it went off an hour early, at breakfast time there's no toast because the bread is mouldy, no cereal because the milk has turned, no porridge because the rat in the cupboard ate it, and no chance of a McMuffin because you've lost your wallet. You hate your boss, the new departmental manager has been on your back for weeks, the customers are giving you the irrits, you suffer from anxiety from having to deal with the people in Human Resources, and it all just gets a little bit too much....

FINSI!
WTF !!

I CBA to go to work.

Bugger it all, I'm having a FINSI day !
FINSI by KeithMyArthe September 4, 2011
Related Words
fibsi fibsip Fibbing fiblings fisica FISSION MAILED fibbin Fibsh FINSI fibi
Seal translation for the english word "fish"
"Fibsh... Egg!" -Unknown Seal
To Lie to someone. To not tell the truth.
"Are ya fibbin' me boi?"
fibbin by kevo548 March 22, 2007

Fission Mailed

Originated from Metal Gear Solid 2 Sons Of Liberty. What is different is that they changed the first two letters in order to confuse the player. Sometimes used on messageboards to show defeat or total pwnage.
"That sign said Mission Failed so I turned the power off."

"Dude, it was Fission Mailed, they just tried to confuse you, now you gotta start all over again cause you didn't save. Pwned!
Fission Mailed by SCANK April 18, 2005
A term in the Asphalt 9 community to describe the highly unforgiving and random physics as a result of doing stunts and maneuvers. These include your car flipping over onto its roof after landing successfully from a jump, doing barrel rolls on flat ramps, and jumping off the ground when hitting a car.
Guy 1: What in fucking hell? Why did my Porsche flipped over when I jumped off a flat ramp!?

Guy2: Fisiks
Fisiks by NoIdea4Username August 14, 2021

fiblings 

Two siblings that make love to each other.
Did you hear about jon and javy? They've secretly been having sex... They're ferfin fiblings!
fiblings by jeebroo duh hebrew March 22, 2013